复印程序设计题.doc

第一章1编写一个C# Windows应用程序，程序的设计界面如图所示。程序运行时单击【退出】按钮将结束应用程序的执行。图namespace D_1_1static void Main() Application.Run(new Form1();private void button1_Click(object sender, System.EventArgs e) Application.Exit();2.找出下列程序中的错误，并用Visual Studio .NET中的命令行编译器CS.EXE.进行编译。using System;class Example1 Public Static Void main() string a; a=System.Console.ReadLine(); System.Console. Writeline(a=1,a); class Example1 public static void Main() string a; a=System.Console.ReadLine(); System.Console.WriteLine(a=0,a); 第二章1.编写一个程序，从键盘上输入3个数，输出这三个数的积及它们的和。要求编写成控制台应用程序。class Test2_1 public static void Main() int a,b,c,sum,mul; a=Convert.ToInt32(Console.ReadLine(); b=Convert.ToInt32(Console.ReadLine(); c=Convert.ToInt32(Console.ReadLine(); sum=a+b+c; mul=a*b*c; Console.WriteLine(Sum=0,Mul=1,sum,mul); 2.编写一个程序，输入梯形的上底、下底和高，输出梯形的面积。要求编写成Windows应用程序，程序的运行界面如图所示图static void Main() Application.Run(new Form1();private void button1_Click(object sender, System.EventArgs e)double a,b,h,s;a=Convert.ToSingle(textBox1.Text );/输入上底b=Convert.ToSingle(textBox2.Text );/输入下底h=Convert.ToSingle(textBox3.Text );/输入下底s=1.0/2.0*(a+b)*h;/求面积;textBox4.Text =Convert.ToString(s);/显示面积第三章1.编写一个进行加、减、乘、除四则运算的程序，要求：输入两个单精度数，然后输入一个运算符号，输出两个单精度数进行该运算后的结果。要求编写为控制台程序。using System;class D_3_1 public static void Main() double op1,op2,result=0; char kind; op1=Convert.ToDouble(Console.ReadLine(); op2=Convert.ToDouble(Console.ReadLine(); kind=(char)Console.Read(); switch(kind) case +:result=op1+op2;break; case -:result=op1-op2;break; case *:result=op1*op2;break; case /:result=op1/op2;break; Console.WriteLine(012=3,op1,kind,op2,result); 2.兔子繁殖问题。设有一对新生的兔子，从第三个月开始它们每个月都生一对兔子，新生的兔子从第三个月开始又每个月生一对兔子。按此规律，并假定兔子没有死亡，20个月后共有多少兔子？要求编写为控制台应用程序。using System;class D_3_2 public static void Main() int a,b,c,i; a=1;b=1; Console.Write(0 1 ,a,b); for(i=3;i=20;i+) c=a+b; Console.Write(0 ,c); a=b; b=c; if(i%5=0)Console.WriteLine(); 第四章1.编写程序，把由10个元素组成的一维数组逆序存放再输出。using System;class D_4_1 public static void Main() int a=new int 1,2,3,4,5,6,7,8,9,10;/定义数组并初始化 int i,j,t; Console.WriteLine(反序之前：); for(i=0;i10;i+) Console.Write(0 ,ai); i=0;j=9; while(ij) t=ai;ai=aj;aj=t; i+;j-; Console.WriteLine(n反序之后：); for(i=0;i10;i+) Console.Write(0 ,ai); 2.编写程序，统计4*5二维数组中奇数的个数和偶数的个数。using System;class D_4_2 public static void Main() const int M=2; const int N=2; int ,a=new int M,N; int i,j,jishu,oushu; jishu=0;oushu=0; Random randObj=new Random();/生成随机数变量 for(i=0;iM;i+) /*通过random 函数产生一个数组*/ for(j=0;jN;j+) ai,j=randObj.Next(1,100);/产生随机数并赋值给数组 for(i=0;iM;i+) /*按行输出数组*/ Console.WriteLine();/换行 for(j=0;jN;j+)/本循环输出一行元素 Console.Write(0 ,ai,j); for(i=0;iM;i+) for(j=0;jN;j+) if (ai,j%2=1) jishu=jishu+ai,j; else oushu=oushu+ai,j; Console.WriteLine(n奇数和为0，偶数和为1,jishu,oushu); 第五章1.编写一个递归方法求下式的和s，n的值由用户输入。 s（n）=1+2+3+nlong f(int n) if (n=1) return(1); else return(f(n-1)+n*n);static void Main() Application.Run(new Form1();private void button1_Click(object sender, System.EventArgs e) int k;long result;k=Convert.ToInt32(textBox1.Text ); result=f(k);textBox2.Text =Convert.ToString(result);private void button2_Click(object sender, System.EventArgs e)Application.Exit();2.编写一个求整数任意位数字的过程，过程的调用形式为：digit（n,k），其功能是取出数n从右边起的第k位数字，例如：digit(1234,3)=2,digit(1234,4)=1,digit(1234,6)=0.protected override void Dispose( bool disposing )if( disposing )if (components != null) components.Dispose();base.Dispose( disposing );int digital(long n,int k ) int i;for(i=1;ik;i+)n=n/10;return(int)n%10);static void Main() Application.Run(new Form1();private void button2_Click(object sender, System.EventArgs e)Application.Exit();private void button1_Click(object sender, System.EventArgs e) long num;int m,w;num=Convert.ToInt64(textBox1.Text );m=Convert.ToInt32(textBox2.Text );w=digital(num,m);textBox3.Text =Convert.ToString (w);第六章1.编写一个应用程序用来对输入的字符串进行加密，对于字母字符加密规则如下：a d b e w z x a y b z cA D B E W Z X A Y B Z C对于其他字符，不进行加密。程序的运行界面如图所示。图static void Main() Application.Run(new Form1();private void Form1_Load(object sender, System.EventArgs e)private void button1_Click(object sender, System.EventArgs e)string SStr,DStr;int i;char c;SStr=textBox1.Text ;DStr=;for(i=0;i=a & c=A & cz & cZ & c=Z+3) c=(char)(c-26); DStr=DStr+c.ToString() ;textBox2.Text =DStr;private void button2_Click(object sender, System.EventArgs e)Application.Exit();2.编写一个应用程序用来从一个字符串中删除一个字符，程序的界面如图所示图static void Main() Application.Run(new Form1();private void label3_Click(object sender, System.EventArgs e)private void button1_Click(object sender, System.EventArgs e)string SStr1,DStr,delstr;int i;SStr1=textBox1.Text ;delstr=textBox2.Text ;DStr=;for(i=0;iSStr1.Length ;i+)if (SStr1.Substring(i,1)!=delstr)DStr=DStr+SStr1.Substring(i,1);textBox3.Text =DStr;private void button2_Click(object sender, System.EventArgs e)Application.Exit();第七章1. 定义一个车辆（Vehicle）基类，具有Run、Stop等方法， 具有Speed（速度）、MaxSpeed（最大速度）、Weight（重量）等域。然后以该类为基类，派生出bicycle、car等类。并编程对派生类的功能进行验证。using System;namespace D_7_1public class vehiclepublic double Speed;public double MaxSpeed;public double Weight;public virtual string Run()return(一辆车在马路上奔跑。);public virtual string Stop()return(一辆车在马路上停了下来。);public class bicycle:vehicle public double Price;public bicycle(double S,double M,double W,double P)Speed=S;MaxSpeed=M;Weight=W;Price=P;public override string Run() return(一辆自行车在马路上奔跑。) ;public override string Stop()return(一辆自行车在马路上停了下来。);public class car:vehiclepublic double Price;public override string Run()return(一辆小汽车在马路上奔跑。); public override string Stop()return(一辆小汽车在马路上停了下来。);public car(double S,double M,double W,double P)Speed=S;MaxSpeed=M;Weight=W;Price=P;static void Main() Application.Run(new Form1();private void button1_Click(object sender, System.EventArgs e)vehicle v=new vehicle();label1.Text =v.Run()+ +v.Stop();bicycle bike=new bicycle(50,100,50,285);label2.Text =bike.Run()+ 速度：+bike.Speed.ToString() + +bike.Stop ();car Car=new car(100,250,300,150000.0);label3.Text =Car.Run()+ 速度：+Car.Speed.ToString() + +Car.Stop ();2.编写出一个通用的人员类（Person），该类具有姓名（Name），年龄（Age），性别（Sex）等域。然后通过对Person类的继承得到一个学生类（Student），该类能够存放学生的5门课的成绩，并能求出平均成绩，要求对该类构造函数进行重载，至少给出三个形式。最后编程对Student类的功能进行验证。using System;namespace D_7_2public class Personpublic string Name;public int Age;public char Sex;public class Student:Person public double Score;public double Aver;public Student(string xm,int nl,char xb) Name=xm;Age=nl;Sex=xb;Score=new double5;public Student() Name=;Age=18;Sex=M;Score=new double5;public Student(string xm,int nl,char xb,double cj )Name=xm;Age=nl;Sex=xb;Score=new double5;for(int i=0;i5;i+)Scorei=cji;public double CalAver() double sum=0;for(int i=0;i5;i+)sum=sum+Scorei;Aver=sum/5;return(Aver);static void Main() Application.Run(new Form1();private void button1_Click(object sender, System.EventArgs e) Random randomObj=new Random();textBox4.Text =;for(int i=0;i5;i+)cji=randomObj.Next(0,101);textBox4.Text =textBox4.Text +cji.ToString()+,;private void button2_Click(object sender, System.EventArgs e)string xm=textBox1.Text ;int nl=Convert.ToInt32(textBox2.Text );char xb=Convert.ToChar(textBox3.Text ); Student S1=new Student(xm,nl,xb,cj);S1.CalAver();textBox5.Text =S1.Aver.ToString(); 第八章1.编写一个冒泡法排序程序。要求在程序中能够捕获到数组下标越界的异常。static void Main() Application.Run(new Form1();private void button1_Click(object sender, System.EventArgs e)int i;Random randObj=new Random();/生成随机数变量for(i=0;iN;i+)ai=randObj.Next(10,99);/*产生随机数并赋值给数组元素*/textBox1.Text=;for(i=0;iN;i+)/输出整个数组textBox1.Text +=ai.ToString()+,;private void button2_Click(object sender, System.EventArgs e) int i,j,t;/定义循环变量和交换用的临时变量tryfor(i=1;i=N;i+)/*i表示轮次*/for(j=0;jaj+1)/*如果后面的元素值小，则交换*/t=aj;aj=aj+1;aj+1=t;textBox2.Text =; for(i=0;iN;i+)/输出整个数组textBox2.Text +=ai.ToString()+,;catch(IndexOutOfRangeException ex) textBox2.Text =数组下标越界;2、编写一个计算机应用程序，要求在程序中能够捕获到被0除的异常与算术运算溢出的异常。static void Main() Application.Run(new Form1();private void button4_Click(object sender, System.EventArgs e)op=4;label1.Text=/;private void button1_Click(object sender, System.EventArgs e)op=1;label1.Text=+;private void button2_Click(object sender, System.EventArgs e)op=2;label1.Text=-;private void button3_Click(object sender, System.EventArgs e)op=3;label1.Text=*;private void button5_Click(object sender, System.EventArgs e)int num1,num2,resu=0;trynum1=Convert.ToInt32(textBox1.Text );num2=Convert.ToInt32(textBox2.Text );switch(op)case 1:resu=num1+num2;break;case 2:resu=num1-num2;break;case 3:resu=num1*num2;break;case 4:resu=num1/num2;break;textBox3.Text =resu.ToString();catch (DivideByZeroException)textBox3.Text=除数不能为零！;catch(OverflowException)textBox3.Text =算术运算溢出！;第九章1.制作一个简单计算器程序。程序运行时通过按钮输入运行公式，如图，此时单击【计算】按钮将得到计算结果。static void Main() Application.Run(new Form1();private void button1_Click(object sender, System.EventArgs e)Button btn=(Button)sender;textBox1.Text += btn.Text ;private void button2_Click(object sender, System.EventArgs e)Button btn=(Button)sender;textBox1.Text += btn.Text ;private void button3_Click(object sender, System.EventArgs e)Button btn=(Button)sender;textBox1.Text += btn.Text ;private void button11_Click(object sender, System.EventArgs e)Button btn=(Button)sender;textBox1.Text += + btn.Text+ ;private void button4_Click(object sender, System.EventArgs e)Button btn=(Button)sender;textBox1.Text += btn.Text ;private void button5_Click(object sender, System.EventArgs e)Button btn=(Button)sender;textBox1.Text += btn.Text ;private void button6_Click(object sender, System.EventArgs e)Button btn=(Button)sender;textBox1.Text += btn.Text ;private void button7_Click(object sender, System.EventArgs e)Button btn=(Button)sender;textBox1.Text += btn.Text ;private void button8_Click(object sender, System.EventArgs e)Button btn=(Button)sender;textBox1.Text += btn.Text ;private void button9_Click(object sender, System.EventArgs e)Button btn=(Button)sender;textBox1.Text += btn.Text ;private void button10_Click(object sender, System.EventArgs e)Button btn=(Button)sender;textBox1.Text += btn.Text ;private void button12_Click(object sender, System.EventArgs e)Button btn=(Button)sender;textBox1.Text += + btn.Text+ ;private void button13_Click(object sender, System.EventArgs e)Button btn=(Button)sender;textBox1.Text += + btn.Text+ ;private void button14_Click(object sender, System.EventArgs e)Button btn=(Button)sender;textBox1.Text += + btn.Text+ ;private void button15_Click(object sender, System.EventArgs e)double r;string t=textBox1.Text ;int space=t.IndexOf( );string s1=t.Substring(0,space);char op=Convert.ToChar(t.Substring(space+1,1);string s2=t.Substring(space+3);double arg1=Convert.ToDouble(s1);double arg2=Convert.ToDouble(s2);tryswitch(op)case +:r=arg1+arg2;break;case -:r=arg1-arg2;break;case *:r=arg1*arg2;break;case /:r=arg1/arg2;break;default:throw new ApplicationException();textBox1.Text =r.ToString() ;catch(DivideByZeroException)MessageBox.Show(被零除！,被零除对话框);catch(Exception) MessageBox.Show (运算符不正确！);private void button16_Click(object sender, System.EventArgs e)textBox1.Text =;private void textBox1_TextChanged(object sender, System.EventArgs e)2、编写一个对列表框进行列表项添加，修改和删除操作的应用程序。程序的运行界面如图，列表框（名为lstbooks）中的列表项在Froml load事件中加载，【添加】按钮（cmdadd）的功能是将文本框（txtittem）中的内容添加在列表框中，【删除】按钮（cmddelete）的功能是删除列表框中选定的列表项，如果要修改列表项，可先选定列表项，然后单击【修改】（cmdmodify）按钮，所选的项目显示在文本框中，当在文本框中修改完之后，单击确定修改按钮将更新列表框，初始，确定修改不可使用static void Main() Application.Run(new Form1();private void button1_Click(object sender, System.EventArgs e)Button btn=(Button)sender;textBox1.Text += btn.Text ;private void button2_Click(object sender, System.EventArgs e)Button btn=(Button)sender;textBox1.Text += btn.Text ;private void button3_Click(object sender, System.EventArgs e)Button btn=(Button)sender;textBox1.Text += btn.Text ;private void button11_Click(object sender, System.EventArgs e)Button btn=(Button)sender;textBox1.Text += + btn.Text+ ;private void button4_Click(object sender, System.EventArgs e)Button btn=(Button)sender;textBox1.Text += btn.Text ;private void button5_Click(object sender, System.EventArgs e)Button btn=(Button)sender;textBox1.Text += btn.Text ;private void button6_Click(object sender, System.EventArgs e)Button btn=(Button)sender;textBox1.Text += btn.Text ;private void button7_Click(object sender, System.EventArgs e)Button btn=(Button)sender;textBox1.Text += btn.Text ;private void button8_Click(object sender, System.EventArgs e)Button btn=(Button)sender;textBox1.Text += btn.Text ;private void button9_Click(object sender, System.EventArgs e)Button btn=(Button)sender;textBox1.Text += btn.Text ;private void button10_Click(object sender, System.EventArgs e)Button btn=(Button)sender;textBox1.Text += btn.Text ;private void button12_Click(object sender, System.EventArgs e)Button btn=(Button)sender;textBox1.Text += + btn.Text+ ;private void button13_Click(object sender, System.EventArgs e)Button btn=(Button)sender;textBox1.Text += + btn.Text+ ;private void button14_Click(object sender, System.EventArgs e)Button btn=(Button)sender;textBox1.Text += + btn.Text+ ;private void button15_Click(object sender, System.EventArgs e)double r;string t=textBox1.Text ;int space=t.IndexOf( );string s1=t.Substring(0,space);char op=Convert.ToChar(t.Substring(space+1,1);string s2=t.Substring(space+3);double arg1=Convert.ToDouble(s1);double arg2=Convert.ToDouble(s2);tryswitch(op)case +:r=arg1+arg2;break;case -:r=arg1-arg2;break;case *:r=arg1*arg2;break;case /:r=arg1/arg2;break;default:throw new ApplicationException();textBox1.Text =r.ToString() ;catch(DivideByZeroException)MessageBox.Show(被零除！,被零除对话框);catch(Exception) MessageBox.Show (运算符不正确！);private void button16_Click(object